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Re: Unifying i387 support
- To: dj@delorie.com
- Subject: Re: Unifying i387 support
- From: Mark Kettenis <kettenis@wins.uva.nl>
- Date: Fri, 9 Jul 1999 12:04:45 +0200 (MET DST)
- CC: jimb@cygnus.com, eliz@is.elta.co.il, billm@suburbia.net, gdb-patches@sourceware.cygnus.com
- References: <199907090104.VAA25054@indy.delorie.com>
Date: Thu, 8 Jul 1999 21:04:37 -0400 (EDT)
From: DJ Delorie <dj@delorie.com>
CC: eliz@is.elta.co.il, kettenis@wins.uva.nl, billm@suburbia.net,
gdb-patches@sourceware.cygnus.com
Content-Type: text
Content-Length: 286
> 2) We could choose a single register layout for all i387 targets to
If one needs to be created, we should follow the layout that the
FNSAVE instruction stores the data in. That may simplify some
targets, and it's the only really documented layout (it's in all the
Intel manuals :)
I'm in favour of option 2, with the layout suggested by DJ. The fact
that this layout is also used by Mach and therefore the Hurd has of
course nothing to do with that preference ;-)
Mark